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VP Helmond, Netherlands

Eelco Han De Man

Average Co-Inventor Count = 2.00

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 33

Eelco Han De Man ↔ Markus Franciscus Brouwer (4 patents)Eelco Han De ManEelco Han De Man (4 patents)Markus Franciscus BrouwerMarkus Franciscus Brouwer (4 patents)
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Inventor’s number of patents
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Strength of working relationships

4 patents:

1. D444059 - Ink cartridge box

2. D436998 - Holder for a fountain pen and ink cartridges

3. D428925 - Holder for a fountain pen and ink cartridges

4. D428924 - Holder for a fountain pen and ink cartridges

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as of
12/13/2025
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